Calking-tool.



G. EL N. BABRE.

CALKING TOOL.

APPLICATION Flu-:D Auaz 191BA Patented Jam. 14, 1919.

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G. L N. BABARE.

CALKING TOOL.

APPLICATION FILED AUG.2 191x;v

4 lPatnted Jan, 14k, 19W.

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G. z N. BBARE.

CALKING TOOL.

APPLICATION FILED AuG.2. ma.

Patented Jan. M, 191.9.

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GEORGIE BABARE AND NICHOLAS BABARE, F TACOMA, WASHING-TON.

crematie-Toon.

Specification of Letters Patent.

Patented Jan. 14, 1919..

Application filed August 2, 1918. Serial No. 248,033.

. To all whom t may concern Be it known that we, GEORGE BAAnn and NICHOLAS Banane, citizens of the United States of America, residing at Tacoma, in the county of Pierce and State of Washington, have invented certain new and useful improvements in Calking-Tools, of which the following is a specification.

This invention relates to improvements in a calking tool.

The object` of the invention is to provide a calling tool, by means of which calking material may be introduced into a hopper, and by reciprocation of a flat blade, associated with auxiliary devices a seam may be calked. i

The invention also comprehends improvements in the details of construction and arrangement oi' parts which will be hereinafter described and particularly pointed out in the claims.

ln the accompanying drawings Figure 1 is a top plan View of the i1nproved calking tool.

Fig. 2 is a vertical central section of the same.

Fig. 3 is a detail perspective view of the flat blade.

F ig. 4 is a transverse section on the line i-a, rig. 1.

Fig. 5 is a detail perspective section of the head of the tool.

Figs. 6 and 7 represent respectively a side view and a vertical section of a modification. The numeral l indicates a frame from one end of which extends a cylinderl 2, adjacent which is a` hopper 3, and from the hopper projects nose 4. The upper wall of the nose 4 is closed by an inclined top 5, which tapers toward the free open end, while the bottom of the nose is normally open.

Formed on the inside of the walls of the nose and the hopper are parallel grooves 6, which provide a guide way for a flat blade 7. The blade Z is provided with a stem 8, which finds a bearing in an opening 9, formed in one of the heads of the cylinder 2. The inner end of the stem is enlarged to form a head 10, which is provided with openings 11, to adord communication between the main por tion of the cylinder and the space 12, between the stem 8, and the walls of said cylinder.

hastened to the rear upper portion of the blade is a flat prong 14, provided on its for ward end with teeth, indicated at 15.

Secured on the rear portion of the inside of the inclined top 5, is a liat resilient niember 16, the free end of which normally lies across the path of the free end of the blade.

Extending laterally from the nose is a pair or' spaced ears 17, to receive a guide wheel 18, which projects beyond the free open end of the nose, to guide the tool in the seam.

Projecting from the head 10 and into the cylinder 2 is a stem 20, and, on the opposite end thereof is a head 2l, formed with an opening to afford communication with the cylinder each side said head, and fastened on the stem 2O in the cylinder between the heads 10 and 21 is a piston 22 against which compressed air acts to reciprocate the liat blade.

Surrounding the cylinder is a hand grip 25, which embraces an inlet pipe 26, one end of which lits in an opening 27, in one end oi' the cylinder, and the opposite end of which iits in an opening 28, in the other' end of said cylinder communicating with the opening 27, and the space 12, is a port 29, and from the opening 27 leads an exhaust port 30. Communicating with opening 28 and the space 31, between the head of the cylinder and the head 2l on the stem is a port 32, and also communicating with said opening 28, and the atmosphere is an exhaust port 34.

The pipe 26 is somewhat shorter than the distance between the end walls of the openings 27 and 28, and near its ends it is provided with ports 35 and 36, adapted to register respectively with the ports 29 and 32 in the cylinder.

In operation, calking material is fed to the hopper, and compressed air is admitted to the pipe 26, and passes through the ports 36 and 32 and acts on the piston 22, to drive the blade forwardly, the air in space 12, being exhausted through ports 29 and 30 to the atmosphere.

The end of the blade 6, and the serrated edge of the prong 14, force the material forwardly in the nose 4. This action ej ects the material and drives it into the seam with a blow, the material in its forward movement forcing the yielding member 16, out of its path. By movement of the hand grip 25, in the opposite direction, the feed pipe 26 is shifted and the ports 35 and 29 are brought into registry, and the exhaust port 30 is closed. This movement also uncovers ports 32 and 34 and vents the opposite end of the cylinder. The compressed air now passes through ports 35 and 29, and acts on the opposite side of the piston 22, and the blade is Withdrawn to position to force forwardly another charge of calking material. When the bladey is Withdrawn, the free end of the resilient member 16, grips the material against the top of the blade 7, and prevents the Withdrawal of the charge rammed into the seam.

This operation is continued and the call(- ing material is by successive blows driven into the seam, and as they tool is laterally moved the roller acts to retain the charge and guide the tool along the seam.

Figs. 6 and 7, represents the invention as applied tov a different form of pneumatic actuating mechanism. In this form of the invention the. head is the same as that reviously described, and a spring li() is emp-Ployed to return the blade to normal position, While it is driven forwardly by the ordinary pneumatic means, indicated at 41. The air is controlled by a ngertrip i2, located on the handle 43.

lhat vve claim is l. A callring tool comprising a head formed at its free end with a fixed tapered nose and in rear thereof with a hopper, the inner side Walls of the nose structure having parallel grooves to form a guide Way, a flat blade mounted t0 reciprocate in the parallel guide Way, means for reciprocating the blade, and a flat resilient member fastened at its inner end tothe inner surface of the nose and extending entirely across the interior of the latter, and having its free end corrugated and normally inthe path of the end of the fiat blade to engage the material on the upper surface of said blade to prevent said material being Withdrawn from the seam after being rammed.

2. A calliing tool comprising a head formed at its free end with a tapered nose open at its end and bottom and a hopper in rear thereof, a hat blade reciprocally mounted in the head and adapted to project beyond the end of the nose in one movement Copies of this of its reciprocation, a fiat serrated blade fastened to the surface of the first mentioned blade against the hopper, a resilient member secured at one end on the inside of the nose and having its free end normally projecting in the path of movement of the first mentioned blade and adapted to coperate with the latter in holding the calked material in the seam, a cylinder extending from the head and provided with ports, a stem extending from the blade and into the cylinder the stem and the cylinder having heads, a hand grip on the cylinder and a supply pipe connected to the hand gri n and, mounted to reciprocate on the cyhn er and provided with ports to cooperate with the ports in the cylinder to reciprocate the blade.

3. A calking tool comprising a head formed at its end with a iixed tapered nose open at its bottom, and free end, and formed With parallel grooves to provide a parallel. guide Way, the head having an extended flared flange surrounding an opening which constitutes a hopper to supply the nose With calking material, a fiat blade mounted to reciprocate in the parallel guideway and provided vvith a fiat prong serrated at its free end and normally projected upwardly and located in rear of the front edge of said blade, a resilient plate secured on the inside of the nose in advance of the hopper and extending entirely across the interior of said nose, the free end of the resilient plate being corrugated and extending in the path of the end of the fiat blade, means for reciprocating the blade, a pair of ears extending laterally from the nose, and a roller mounted in theI ears and projecting beyond the free end of' the nose to hold the oalked material in place after being rammed by the end of the blade.

In testimony whereof We aiix our signatures.

GEORGE BABARE. NICHOLAS BABARE.

patent may be obtained for yve cents each, by addressing the Commissioner of Eatents,

Washington, D. C. 

